F01N 1/083
Using transversal baffles defining a tortuous path for the exhaust gases or
Official title: {using transversal baffles defining a tortuous path for the exhaust gases or successively throttling exhaust gas flow}
F01N1/083 (Using transversal baffles defining a tortuous path for the exhaust gases or) appears on 321 US grants and 284 published applications in this corpus.
Search patents in F01N- Granted patents
- 321
- Published applications
- 284
- Assignees
- 165
- Inventors
- 697
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 5 |
| 2003 | 4 | 4 |
| 2004 | 2 | 5 |
| 2005 | 8 | 15 |
| 2006 | 3 | 14 |
| 2007 | 9 | 9 |
| 2008 | 9 | 12 |
| 2009 | 5 | 15 |
| 2010 | 8 | 18 |
| 2011 | 18 | 11 |
| 2012 | 12 | 13 |
| 2013 | 13 | 8 |
| 2014 | 11 | 11 |
| 2015 | 12 | 11 |
| 2016 | 11 | 16 |
| 2017 | 17 | 23 |
| 2018 | 12 | 12 |
| 2019 | 17 | 26 |
| 2020 | 15 | 11 |
| 2021 | 14 | 10 |
| 2022 | 18 | 10 |
| 2023 | 14 | 10 |
| 2024 | 7 | 9 |
| 2025 | 6 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Muffler for internal combustion engine84US 5,304,749 A1994
- Fluid flow apparatus for accommodating a pressure drop77US 4,375,841 AFluid Kinetics, Inc. · 1983
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